Valve Registers 'DotA 2' & 'DotA 3' Trademark

A while ago when Valve applied for DotA Trademark, The Fans were anxious to know what's Valve cooking inside their studios but now this news is getting more exciting. Valve appears to be registering trademark for DotA 2 and DotA 3. Looks like applying for one trademark was enough for Valve Corporation so they thought about applying for more than one.Update:Valve announced DotA 2There could be two